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<h1 class="topictitle1">Step 8: Performing Backup</h1>
<div><p>Before performing backup, you need to associate the resources to be protected with a specified SLA. The system protects the resources and periodically executes backup jobs based on the SLA. You can perform a backup job immediately through manual backup.</p>
<div class="section"><h4 class="sectiontitle">Precautions</h4><ul><li>During manual backup, the parameters defined in the SLA (for example, <span class="uicontrol"><b><span><strong>Automatic Indexing</strong></span></b></span>) are applied to the manual backup job.</li><li>Copies generated by manual backup are retained for the duration defined in the SLA.<p>If the protection policy selected during manual backup is not defined in the SLA, the generated backup copies are retained permanently. If incremental backup is not defined in the SLA but is selected during manual backup, the copies generated by the manual incremental backup are retained permanently.</p>
</li><li>If a replication or archive policy has been defined in the SLA, the system will perform replication or archiving once based on the SLA when you perform manual backup.</li></ul>
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<div class="section"><h4 class="sectiontitle">Procedure</h4><ol><li><span>Choose <span class="uicontrol" id="hdfs_00020__hdfs_00015_en-us_topic_0000001839142377_uicontrol1225102113916"><b><span id="hdfs_00020__hdfs_00015_en-us_topic_0000001839142377_text1125113213390"><strong>Protection</strong></span> &gt; Big Data &gt; HDFS</b></span>.</span></li><li><span>On the <span class="uicontrol"><b><span><strong>Filesets</strong></span></b></span> tab page, select the fileset that you want to protect, and click <span class="uicontrol"><b><span><strong>Protect</strong></span></b></span>.</span><p><p>You can choose multiple filesets for batch protection.</p>
</p></li><li><span>Select an SLA.</span><p><div class="p" id="hdfs_00020__en-us_topic_0000001964713008_p16181740836">You can also click <span class="uicontrol" id="hdfs_00020__en-us_topic_0000001964713008_uicontrol169554520714"><b><span id="hdfs_00020__en-us_topic_0000001964713008_text179554516717"><strong>Create</strong></span></b></span> to create an SLA.<div class="note" id="hdfs_00020__en-us_topic_0000001964713008_note25947145710"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="hdfs_00020__en-us_topic_0000001964713008_p125947145711"><span id="hdfs_00020__en-us_topic_0000001964713008_ph1413818422327">If a WORM policy has been configured for the resources to be protected, select an SLA without a WORM policy to avoid WORM policy conflicts.</span></p>
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</p></li><li><span>Configure advanced protection parameters.</span><p><p><a href="#hdfs_00020__table4697123044713">Table 1</a> describes the related parameters.</p>

<div class="tablenoborder"><a name="hdfs_00020__table4697123044713"></a><a name="table4697123044713"></a><table cellpadding="4" cellspacing="0" summary="" id="hdfs_00020__table4697123044713" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Advanced parameters of fileset protection</caption><colgroup><col style="width:50%"><col style="width:50%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.4.2.2.2.3.1.1"><p>Parameter</p>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.4.2.2.2.3.1.2"><p>Description</p>
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<tbody><tr><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.2.2.2.3.1.1 "><div class="p"><strong id="hdfs_00020__fc_gud_0019_0_vmware_gud_0028_0_b1822015259583">Auto Indexing of Backup Copies</strong><div class="note" id="hdfs_00020__fc_gud_0019_0_vmware_gud_0028_0_note17447255201"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hdfs_00020__fc_gud_0019_0_vmware_gud_0028_0_vmware_gud_0028_0_p168431642184919">Only 1.6.0 and later versions support this parameter.</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.2.2.2.3.1.2 "><p>After this function is enabled, you can select one or more files in a copy for restoration and search for files, directories, or links in copies on the management page.</p>
<p>If you do not enable this function, you can create indexes for copies on the <a href="hdfs_00063.html">Copies</a> page.</p>
<p>This function cannot be disabled after being enabled.</p>
<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hdfs_00020__vmware_gud_0028_0_nas_s_0016_p0743109201911">Indexes occupy backup storage space. If the number of index files in the system exceeds 1 billion, perform operations by referring to "Failed to Create a Copy Index" in the <i><cite id="hdfs_00020__vmware_gud_0028_0_cite165034152574">OceanProtect DataBackup 1.5.0-1.6.0 Troubleshooting</cite></i>.</p>
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<tr><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.2.2.2.3.1.1 "><div class="p"><strong>Automatic Indexing of Object Storage Archive Copies</strong><div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p>Only 1.6.0 and later versions support this parameter.</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.4.2.2.2.3.1.2 "><p>After this function is enabled, you can select one or more files in a copy for restoration and search for files, directories, or links in copies on the management page. If a tape library serves as the archive storage, archive copy indexing is not supported.</p>
<p>This function cannot be disabled after being enabled.</p>
<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hdfs_00020__vmware_gud_0028_0_nas_s_0016_p0743109201911_1">Indexes occupy backup storage space. If the number of index files in the system exceeds 1 billion, perform operations by referring to "Failed to Create a Copy Index" in the <i><cite id="hdfs_00020__vmware_gud_0028_0_cite165034152574_1">OceanProtect DataBackup 1.5.0-1.6.0 Troubleshooting</cite></i>.</p>
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</p></li><li><span>Click <span class="uicontrol" id="hdfs_00020__en-us_topic_0000001964713008_uicontrol23691650677"><b>OK</b></span>.</span><p><p id="hdfs_00020__en-us_topic_0000001964713008_en-us_topic_0000001656691397_p25041111535">If the current system time is later than the start time of the first backup specified in the SLA, you can select <strong id="hdfs_00020__en-us_topic_0000001964713008_b9624185216713">Execute manual backup now</strong> in the dialog box that is displayed or choose to perform automatic backup periodically based on the backup policy set in the SLA.</p>
</p></li><li><span>Perform manual backup.</span><p><p>If you want to perform a backup job immediately, perform manual backup through the following operations. Otherwise, skip this step.</p>
<ol type="a"><li>In the row where the fileset you want to back up is located, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Manual Backup</strong></span></b></span>.<div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p>You can select multiple resources to perform manual backup in a batch. Select multiple resources and choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Manual Backup</strong></span></b></span> in the upper left corner of the page.</p>
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</li><li>Set the name of the copy generated through manual backup.<p>If this parameter is left unspecified, the system sets the name to <strong>backup_</strong><em>Timestamp</em> by default.</p>
</li><li>Select a protection policy, which can be <span><strong>Full backup</strong></span> or <span><strong>Forever Incremental (Synthetic Full) Backup</strong></span>.<div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p><span id="hdfs_00020__en-us_topic_0000001964713008_ph19374310343">For 1.6.0 and later versions, if the selected protection policy is different from that configured in the associated SLA, the WORM configuration does not take effect.</span></p>
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</li><li>Click <span class="uicontrol"><b>OK</b></span>.</li></ol>
</p></li></ol>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="hdfs_00012.html">Backing Up HDFS Filesets</a></div>
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